[jira] [Created] (SMX4-834) upgrade karaf version to 2.2.1

[Willem Jiang (JIRA)]

upgrade karaf version to 2.2.1
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                 Key: SMX4-834
                 URL: https://issues.apache.org/jira/browse/SMX4-834
             Project: ServiceMix 4
          Issue Type: Task
            Reporter: Willem Jiang
            Assignee: Willem Jiang
            Priority: Minor
             Fix For: 4.4.0


As the karaf 2.2.1 is released, it's time to upgrade it.

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